Đề thi violympic toán tiếng anh lớp 5 năm 2015

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Đề thi violympic toán tiếng anh lớp 5  năm 2015

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Tuyển tập các đề thi giải toán bằng tiếng anh năm 2015 chuẩn, chi tiết, After running 20% of a race, Bob had run 25m. How long was the race, in metres? Answer: ……………..m. Alice are going to buy sugar for her cooking class. She needs to have 16 kg of sugar for every student in her class. There are 18 students in her class. How many kilograms of sugar should Alice buy? Answer: …………. Kg.

Đề thi Violympic Toán Tiếng Anh lớp vòng năm 2015 - 2016 Exam number 1: Đi tìm kho báu • Question 1: There are 40 students in Mrs Brown's class 25% of her students received a B on the test How many students received a B? a 10 • b 12 • c 18 • d 20 Question 2: • What is the product of 3.05 and 2.8? a 8.54 • b 8.056 • c 8.56 • d 8.054 Question 3: • A clothing shop is having a 40% off sale How much would Jane have to pay for a $30 sweater with a 40% discount? a $18 • b $20 • c $50 • d $13 Question 4: • • If a pen costs $1.75 and an eraser costs $0.85, which of the following is the cost of 10 erasers and pens? a $21.75 b $26 • c $18.75 • d $17.25 Question 5: If the area of the rectangle ABCD is 60cm2 then the area of the trapezoid MNCD is cm2 • a 48 • b 50 • c 45 • d 54 Exam number 2: Tìm cặp Answer: (1) = ; (2) = .; (3) = ; (5) = ; (7) = ; (8) = .; (9) = ; (11) = ; (15) = ; (16) = Nhập số thứ tự ô vào chỗ chấm để cặp giá trị Exam number 3: Fill in the blank with the suitable number Question The length of each edge of a cube is cm The surface area of the cube, in cm2, is Question 2: At the beginning of the summer, Bob was 140 cm tall At the end of the summer, he measured his height again and discovered that it had increased by 5% Measured in cm, what was his height at the end of summer? Answer: cm Question 3: The number of centimetres in 7.05 metres is Question 4: Bella scores on six of her eight pictures The percentage of pictures that she does not score on is % Question 5: A bag contains green marbles and red marbles only If the ratio of the number of green marbles to the number of red marbles is 1:4 then % of marbles are green Question 6: How many even numbers between and 100 are divisible by 5? Answer: There are numbers Question 7: Alice is going to the store One third of the way to the store, she stops to talk with Kelly She then continues for km and reaches the store How many kilometres does she travel? Answer: km Question 8: How many three-digit numbers are exactly 19 more than a two-digit number? Answer: numbers Question 9: In the 3×3 table shown, the numbers 2, and are placed so that each number occurs only once in each row and only once in each column The value of M + N is Question 10: How many different 3-digit whole numbers can be formed using the digits 4, 5, and 8, assuming that no digit can be repeated in a number? Answer: There are numbers Đề thi Violympic Toán Tiếng Anh lớp vòng năm 2015 - 2016 Exam number 1: Vượt chướng ngại vật Question 1: 1,83 + = The missing number is Question 2: The volume of the cube below is ……….cm3 Question 3: After running 20% of a race, Bob had run 25m How long was the race, in metres? Answer: …………… m Question 4: Alice are going to buy sugar for her cooking class She needs to have 1/6 kg of sugar for every student in her class There are 18 students in her class How many kilograms of sugar should Alice buy? Answer: ………… Kg Question 5: Alice’s mathematics exam had 30 algebra questions and 50 geometry questions, each worth mark She got 70% of the algebra questions correct, and 60% of her questions correct How many geometry questions did she answer correctly? Answer: ………… questions Exam number 2: Fill in the blank with the suitable number Question 1: Bob roller skates with a constant speed of 14 miles per hour How far can he travel in Answer: miles hour? Question 2: Emily rides her bike with a constant speed of 12km/h How far can she travel in hours? Answer: .km Question 3: Jack rides his horse with a constant speed of 12 miles per hour How far can he travel in Answer: miles hours? Question 4: An airplane flies with a constant speed of 810 miles per hour How far can it travel in Answer: miles hours? Question 5: John drove from Town A to Town B in hours His average speed for the first 3,5 hours was 64km/h His average speed for the last 1,5 hours was 60km/h What was the total distance he traveled? Answer: .km Question 6: A car traveled at 50km/h for hours and at 60km/h for hours What is the car’s average speed? Answer: km/h Question 7: The distance between John’s home and the park is 3000m John walked from his home to the park at a speed of 100m per minute and then walked back home at a speed of 150m per minute What is the John’s average speed in meter per minute? Answer: meter per minute Question 8: Bob drove from City P to City Q He traveled the first 36km at an average speed of 54km/h He traveled the remaining 96km at a average speed of 72km/h Find his average speed for the whole trip Answer: km/h Question 9: Peter and Jacob were running Both of them run with their constant speeds They started at the same time and the same place When Jacob reached the finishing line, Peter had only run of what Jacob had run Jacob’s speed is 75m/min (metre per minute) faster than Peter What was Peter’s speed in m/min? Answer: m/min Question 10: A train crosses a tree in 10 second and a bridge 225m long in 25 second Find the length of the train Answer: m Exam number 3: Cóc vàng tài ba Question 1: The number of centimetres in 2,5 metres is …………… • a 0,025 • b 0,25 • c 25 • d 250 Question 2: • You walk miles with your dog in only 40 minutes Your average speed is …………… a 0,2 mile in per minute • b 0,5 mile in per minute • c 0,02 mile in per minute • d 0,05 mile in per minute Question 3: • Susan wants to divide 35,5 kg sugar in small bags If each bag holds 0,5kg, how many bags are needed? a 70 • b 71 • c 36 • d 35 Question 4: In the diagram, the percentage of small squares that are shaded is …………… • a 36% • b 9% • c 24% • d 25% Question 5: • If the numbers: 2/5; 41% and 0,401 are arranged from largest to smallest, the correct order is ………… a 2/5; 0,401; 41% • b 0,401; 2/5; 41% • c 41%; 0,401; 2/5 • d 41%; 2/5; 0,401 Question 6: Charlie and Lily go on a 24 km run They both usually run at km/h If Charlie runs at 2/3 his usual running speed, and Lily runs at 4/3 times her usual speed, how many more hours does it take Charlie to complete the run than it takes Lily to complete the run? • a • b • c • d Question 7: • A box contains 21 disks, each coloured red, blue and green There are twice as many green disks as red disks, and half as many blue as red How many disks are red? a • b 12 • c • d Question 8: The results of a survey of the hair colour of 500 people are shown in this circle graph How many people have blonde hair? • a 300 • b 150 • c 250 • d 200 Question 9: • a • b • c • d Question 10: • Each face of a cube is painted with exactly one colour What is the smallest number of colours needed to paint a cube so that no two faces that share an edge are the same colour? a • b • c • d Đề thi Violympic Toán Tiếng Anh lớp vòng 10 năm 2015 - 2016 Exam number 1: Fill in the blank with the suitable number Question 1: 0.6 hour = minutes Question 2: 12 hours 24 minutes x = hours (Write your answer by decimal in the simplest form) Question 3: 51 hours = days (Write your answer by decimal in the simplest form) Question 4: minutes 27 seconds : = seconds Question 5: How fast is Anna going if she runs miles in the park in only hours? Answer: mile/hour Question 6: How fast is Jack going if the train he is on travels 20 miles in just minutes? Answer: miles/hour Question 7: How far will Mary travel if she rides her motorbike for 24 minutes at a speed of 75 miles/hour? Answer: miles Question 8: Yesterday Peter roller skated for 2.5 hours at a speed of km/h How many kilometers did he skate? Answer: km Question 9: The area of a rectangle ABCD is 56cm2 Given a random point E inside of ABCD Find the total area of triangles AED and BEC Answer: cm2 Question 10: The distance between trees is 300 meters It will take a bird 30 seconds to fly between these trees How fast is the bird in kilometer per hour? Answer: km/h Exam number 2: Cóc vàng tài ba • Question 1: Which of following is correct? a 100 + 64 = 104 + 60 • b 100 + 64 = 140 + • c 100 + 64 = 106 + 40 • d 100 + 64 = 10 + 64 Question 2: • Write as a decimal The result is a 23,05 • b 23,0005 • • c 23,005 d 235 Question 3: • Find the value of x such that x + 3/7 = 26/21 Answer: x = a 7/21 • b 23/21 • c 23/14 • d 17/21 Question 4: • • Calculate: 23,61 x 4,23 = a 9987,03 b 92,1403 • c 99,8703 • d 9214,03 Question 5: This shape is made of several small cubes Find the surface area of the shape, if each side of small cube is 2cm long • a 96cm2 • b 104cm2 • c 208cm2 • d 144cm2 Question 6: • In a school librabry, there are 101000 English books, 92683 Math books and 216094 books of other subjects How many books are there in the library? a 409777 books • b 308777 books • c 193683 books • d 409667 books Question 7: Find the next figure • a • b • c • d Question 8: • What is the difference between the sum of the first 2016 even natural numbersand the first 2016 odd natural numbers? a 4031 • b 2016 • c 4030 • d 2015 Question 9: • Jack buys sofas from a wholesale market for $3750, and then he sells all of them at a loss of 4% How much money did he sell each sofa for? a $3900 • b $156 • c $3600 • d $144 Question 10: A square picture was cut along the lines into pieces Which of the following shapes below was missing piece? • a • b • c • d Exam number 3: Sắp xếp giá trị theo thứ tự tăng dần Answer: (3) < < < < < Nhập số thứ tự ô vào chỗ chấm để dãy số theo thứ tự tăng dần Đề thi Violympic Toán Tiếng Anh lớp vòng năm 2014 - 2015 Exam number 1: Choose the most suitable answer in available answers (Cóc vàng tài ba) • Question 1: Choose the calculation that has the greatest result a 125,7 : + 14,3 • b 365,5 : - 17,8 • c 59,8 : + 26,13 • d 196,4 : - 7,07 Question 2: • Peter counts his heart rate He counts beats per seconds on average How many beats per minute does Peter count? Answer: Peter counts beats per minute a 75 • b 140 • c 60 • d 80 Question 3: • Which fraction is equal to 17,5%? a 35/20 • b 7/40 • c 35/50 • d 175/100 Question 4: • Mia wants to buy apple Which is the best buy? a 7kg of apples for $30,38 • b 5kg of apples for $21,5 • c 6kg of apples for $26,1 • d 4kg of apples for $17,32 Question 5: • The product: 20 x 21 x 22 x x 40 has digit a • b • c • d Question 6: Which shape is colored more than 50% in green? • a • b • c • d Question 7: • If number A is increased by 60% then it will equal number B How much percentage will B be decreased by to equal A? a 40% • b 62,5% • c 37,5% • d 60% Question 8: • Find the smallest number that is times the sum of its digits? Answer: This number is a 28 • b 21 • c 14 • d 35 Question 9: • Calculate: Choose the correct answer: a 767/768 • b 711/768 • c 255/256 • d 85/256 Question 10: • How many fractions equal 1/5 and have denominators of - digit numbers? a 16 • b 18 • c 22 • d 20 Exam number 2: Your car has to pass obstacles to finish In order to overcom each obstacle, you have to answer correctly one of three problems in that obstacle (Vượt chướng ngại vật) Question 1: If and n is a natural number then n = Question 2: The perimeter of the shape is cm Question 3: Find X if X x 8,6 - 5,2 x X - 11,06 = 5,94 Answer: X = Question 4: Calculate: 5,5 x (3,5 - 1,5) + 1,5 = Write decimal in the simplest form Question 5: Calculate: Exam number 3: Find the blank with the suitable number (Note: write decimal number with the comma" between number part and fraction part Ex: 0,5) Question 1: 5,136m3 = cm3 Question 2: 47/250 dm3 = cm3 Question 3: The perimeter of a circle is 15,7dm Its area is cm2 Question 4: Jane bought a couch A couch costs 950 dollars She received a 30% discount How much of a discount did she get? Answer: She got dollars discount Question 5: The ratio of the number of girls to the number of boys in a classroom is : When 10 girls left the classroom, the ratio of the number of boys to the number of girls became : How many students were in the classroom at first? Answer: There were students in the classroom at first Question 6: The area of a rectangle is 50m2 If it's length is increased by 10% and it's width is decreased by 20% then the area of new rectangle is .m2 Question 7: An aquarium is 8dm deep, 12dm long and 0,3m wide What is the volume of the aquarium in cubic centimeter? Answer: The volume of the aquarium is cm3 Question 8: The sum of all square's area in the following figure is 375cm2 The area of the biggest square is dm2 Question 9: At a party 60% of the boys are dancing with 80% of the girls How many people are dancing if there are 35 people? (A pair cludes only one boy and one girl) Answer: people are dancing Question 10: Look at the following figure AF/AB = 1/4; AE/AC = 1/3 If the area of triangle GBD is 270m2 then the area of the triangle GCD is m2 Đề thi Violympic Toán Tiếng Anh lớp vòng 10 năm 2014 - 2015 Exam number 1: Question 1: Fill in the blank with suitable sign (>, =, , =,

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